Kowloon is a peninsula on the mainland side of Victoria Harbour, directly opposite Hong Kong Island. It's one of Hong Kong's three main geographic divisions (along with Hong Kong Island and the New Territories) and includes districts like:
Population: ~2.2 million (30% of HK total) in 47 km²—one of the world's highest densities. Iconic landmarks: Peninsula Hotel, Star Ferry Pier, Hong Kong Museum of Art, Kowloon Walled City Park.